two part question ! need answers for part A and part B. Thanks !

Check Falmouth Kettle Company, a U.S. corporation, sells its products in the United States and Europe. During the current year, selling, general, and administrative (SG&A) expenses included: Personnel department Training department President's salary Sales manager's salary Other general and administrative Total SG&A expenses $ 720 405 455 244 616 $2,440 Falmouth had $14,640 of gross sales to U.S. customers and $3,660 of gross sales to European customers. Gross income (sales minus cost of goods sold) from domestic sales was $3.660 and gross income from foreign sales was $1,220. Apportion Falmouth's SG&A expenses to foreign source and U.S. source income using the following methods: a. Gross sales. (Do not round intermediate calculations.) Foreign source income U S. source income CH Falmouth Kettle Company, a U.S. corporation, sells its products in the United States and Europe. During the current year, selling, general, and administrative (SG&A) expenses included: $ Personnel department Training department President's salary Sales manager's salary Other general and administrative Total SG&A expenses 720 405 455 244 616 $2,440 Falmouth had $14.640 of gross sales to U.S. customers and $3,660 of gross sales to European customers. Gross income (sales minus cost of goods sold) from domestic sales was $3.660 and gross income from foreign sales was $1,220. Apportion Falmouth's SG&A expenses to foreign source and U.S. source income using the following methods: b. Gross income. (Do not round intermediate calculations.) Foreign source income U S. source income