Felicia runs a local online business selling handmade greeting cards.
there are two sizes of greeting cards available.

the small greeting card is of the size 140 mm * 210 mm * 0.2 mm thick ,weights approximately 30 g and cost $4.50 each.

the large greeting card is of the size 210 mm* 297 mm* 0.4 mm thick, weighs approximately 55 g and cost $8 each.

felicia posts the greeting cards to the customers using the most cost efficient envelope and postage service available.
the costs of the envelope and postage charges are included into the final bill.

(a) (i) ldentify the suitable envelope size tor the small greeting card and for the large greeting card.

(ii) how much will it cost to buy one small greeting card and post it via ordinary mail?

(iii) how much will it cost fo buy one large greeting card and post it via registered article?

(b) how much will it cost to buy twelve small greeting cards and post them via ordinary mail?

(c)a company budgeted $250 to buy 30 large greting cards from felicia and have them posted via registered article.

is the company's budget sufficient?
justify your answer with calculations.

is the company's budget sufficient?
justify your answer with calculations.