The following information is available for birch company at december 31:

money market fund balance $2,790
certificate of deposit maturing june 30 of next year $10,000
postdated checks from customers $1,475
cash in bank account $21,430
nsf checks from customers returned by bank $650
cash in petty cash fund $200
inventory of postage stamps $24
u. s. treasury bill purchased on december 15 and maturing on february 28 of following year $5,000

based on this information, birch company should report cash and cash equivalents on december 31 of:

(a) $29,420
(b) $41,345
(c) $31,345
(d) $39,420
(e) $38,770